The moon cactus is usually sold already grafted in a process that removes the bottom of the Hibotan and the top of the rootstock cactus. The two halves are set together at the cut ends and soon heal together. The life of the moon cactus can be extended by re-grafting it onto a fresh rootstock.

What is a moon cactus grafted to?

Because of this, each one can only survive as a scion — the upper “moon” is grafted onto green Hylocereus rootstock. AKA dragon fruit. The base cactus provides the chemical “fire” necessary for the upper plant to have a chance at life. And to star in our spaces as a filtered-light-friendly, colorful treat.

Can moon cactus grow without grafting?

Or slice them off and graft onto a new rootstock. This is how you propagate moon cactus. In the case of a purple Gymnocalycium mihanovichii, try rooting a few of the offsets to see if they can make it on their own without a graft.